Let define the function:(adsbygoogle = window.adsbygoogle || []).push({});

[tex] a_{p}(x)= 1 [/tex] if x is an integer and prime and 0 elsewhere, my

question is.........what would be its Lebesgue integral let,s say from [c,d] with c and d positive and real..

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# Lebesgue integral of a_p

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